Once again it’s October in our calendars.
It means that the regular Hacktoberfest event is back!
During this one-month hackathon you can support open source and earn a limited edition T-shirt.
Jenkins project offers an opportunity to participate in the project
and to get reviews and help from Jenkins contributors.

Where can I contribute?

The project is located in several organizations in GitHub.
Core and plugins are located in the jenkinsci org,
infrastructure - in jenkins-infra.
You can contribute to any component within these organizations.

You can also create
new Jenkins plugins and get them
hosted
in the organization.

What can I do?

Our issue tracker contains lots of issues you could work on.
If you are new to Jenkins,
you could start by fixing some easier issues.
In the issue tracker we mark such issues with the newbie-friendly label
(search query).
You can also submit your own issue and propose a fix.

How do I label issues and pull requests?

Hacktoberfest project requires issues and/or pull requests to be labeled with the hacktoberfest label.
You may have no permissions to set labels on your own, but do not worry!
Just mention @jenkinsci/hacktoberfest or @jenkins-infra/hacktoberfest in the repository,
and we will set the labels for you.

How do I get reviews?

All examples above are being monitored by the Jenkins contributors,
and you will likely get a review within few days.
Reviews in other repositories and plugins may take longer.
In the case of delays, ping @jenkinsci/code-reviewers in your pull request
or send a message to the mailing list.

Where can I find info?

Jenkins project contains lots of materials about contributing to the project.
Here are some entry links:

Oleg an active Jenkins contributor and engineer at CloudBees.
He has a PhD degree in Hardware Engineering and >10 years in R&D and Automation.
Oleg contributes to the Jenkins core,
maintains Remoting and plugins like
Role Strategy,
EnvInject,
Ownership,
etc.
He also organizes Jenkins meetups
and events like GSoC.